Extra Power Adapter for My Tot Clock (New & Improved Version) and My Sleep Clock Extra Power Adapter for My Tot Clock and My Sleep Clock. My Tot Clock ships with a Power Adapter. This product would serve as a "replacement" Power Adapter. My Sleep Clock does NOT ship with a Power Adapter. Although My Sleep Clock can operate on batteries alone, this Power Adapter will help conserve batteries. Input 120v ac 60hz Output 6VDC 250mA